The World War II destroyer ” Haida” was recently moved from Ontario Place because it was in serious need of repair. Won this problem occurr here as well?
No. The “Haida” was built fast to go fast for a war that was not supposed to last very long. It saw severe service in saltwater in very trying circumstances. As well there was little or no hull preparation for long term storage. Finally the hull plates on the Haida are about .25 of an inch thick. A typical straight-decker has hull plates approaching a thickness of 1″ and sees little or no saltwater. As a commercial carrier it is drydocked and examined on a regular schedule including a sonograph of the hull. This enables the examiner to monitor the reduction of hull thickness. A typical 50 year use will see hull thickness reduced by approximately 20%. In other words the ships under consideration have a 100 year lifespan left for the anticipated use.
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